OpenTechnical

OT-2026-000050202

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050202) never changes.

Identity and time

Publication numberOT-2026-000050202 · never reused
Internal UUID01a0ae82-5c45-7851-8b98-b641d5477b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050202
StatusPUBLIC

Content hashes

Canonical text7c79fb929c6de32cff14c740a0e864fa5e7a2f846be8566b49667a35cc594c09
Markdown624c4fe7658dfa66027ca68faccaf213ec8d76c018fd9ee532dbecfb8e151f94
PDF
Publication page602a6a019f6d55b67d2b77937090e7ae060ab8cb317f2c8b3e073350746391fa
Manifestfaad3d9a1b143963ebe326cff5dc035efdbc55a1a06bb9f2c58fce1cc3778dc9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureqYqHSYn2kHueIKmN2LZoRtlTfLRzHyI30+T7+3JNIsGepXlCww5fTrragDl0NIagWwctnFfbKbGV8vfZEYPkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:11.413720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050202
observed 602a6a019f6d55b67d2b77937090e7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.395557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050202/manifest.json
observed faad3d9a1b143963ebe326cff5dc035e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.377574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050202/publication.md
observed 624c4fe7658dfa66027ca68faccaf213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.360943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050202/publication.txt
observed 7c79fb929c6de32cff14c740a0e864fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.